Finding the Fourth Proportional to 1,449,834.17, 2,000,715.80 and 805,295.70
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Solution
The fourth proportional to 1,449,834.17, 2,000,715.80 and 805,295.70 is: 1,111,277.32
Step by Step Solution
- Step 1: Write the proportion equation
1,449,834.17 : 2,000,715.80 = 805,295.70 : x - Step 2: Convert to fraction form
1,449,834.17/2,000,715.80 = 805,295.70/x - Step 3: Cross multiply
1,449,834.17x = 2,000,715.80 × 805,295.70 - Step 4: Simplify right side
1,449,834.17x = 1,611,167,826,635.58 - Step 5: Solve for x
x = 1,611,167,826,635.58/1,449,834.17 - Step 6: Final answer
x = 1,111,277.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.